CN203338317U - Optical filter assembly and touch displaying screen with optical filter assembly - Google Patents
Optical filter assembly and touch displaying screen with optical filter assembly Download PDFInfo
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- CN203338317U CN203338317U CN2013204011294U CN201320401129U CN203338317U CN 203338317 U CN203338317 U CN 203338317U CN 2013204011294 U CN2013204011294 U CN 2013204011294U CN 201320401129 U CN201320401129 U CN 201320401129U CN 203338317 U CN203338317 U CN 203338317U
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Abstract
The utility model relates to an optical filter assembly which comprises a substrate, a light filtering layer, a first coining rubber layer, a first conducting layer and a second conducting layer. The light filtering layer is directly formed on a first surface of the substrate. The second conducting layer is directly formed on a second surface. Conducting lines of the first conducting layer and the second conducting layer have the width ranging from 0.2 micron and 5 microns. The first conducting layer and the second conducting layer form a sensing structure so that the optical filter assembly can achieve touch operation and has the function of filtering light. Reduction of the thickness of an electronic product is facilitated, and materials and assembling cost are saved. The first conducting layer is formed in a coining mode. The second conducting layer is directly formed on the second surface by utilizing the good adhesive performance of the substrate. The first conducting layer and the second conducting layer are visually transparent and the conducting wires are not required to be aligned with a light shading portion. The utility model provides a touch displaying screen with the optical filter assembly.
Description
Technical field
The utility model relates to display technique field, plane, particularly relates to a kind of optical filter box and uses the touch display screen of this optical filter box.
Background technology
Touch-screen is the inductive arrangement that can receive the input signals such as touch.Touch-screen has given information interaction brand-new looks, is extremely attractive brand-new information interaction equipment.The development of touch screen technology has caused the common concern of domestic and international information medium circle, has become the Chaoyang new high-tech industry that the photoelectricity industry is a dark horse.
At present, having the electronic product that touches Presentation Function includes display screen and is positioned at the touch-screen on display screen.Yet, touch-screen as with display screen assembly independently, when for some, realizing the electronic product of man-machine interaction, all need to be ordered according to the size of display screen, assembled afterwards, to form touch display screen, but touch display screen can have touch control operation and Presentation Function simultaneously again.The assembling of existing touch-screen and display screen mainly contains two kinds of modes, and frame pastes and full laminating.It is by the laminating of the edge of touch-screen and display screen that frame pastes, and full laminating is by whole laminating of the upper surface of the lower surface of touch-screen and display screen.
Display screen mainly comprises polaroid, optical filter box, Liquid Crystal Module and thin film transistor (TFT) (TFT, Thin Film Transistor), therefore, display screen itself has had larger thickness, and while continuing to fit touch-screen on display screen, will further increase its thickness, moreover, many one attaching process, just mean and increased the bad probability of product, greatly increases the production cost of product.
The utility model content
Based on this, be necessary to reach more greatly for thickness the problem that cost is higher, a kind of touch display screen that is conducive to reduce the optical filter box of electronic product thickness and production cost and uses this optical filter box is provided.
A kind of optical filter box comprises:
Substrate, comprise first surface and second surface, and described first surface and second surface are oppositely arranged;
Filter layer, be arranged at described first surface, comprise light shielding part and a plurality of filter unit, described light shielding part is lattice-shaped, comprise cross one another gridline, the space of being cut apart by described gridline forms some grid cells, and filter unit is contained in grid cell, and described a plurality of filter units form filter unit;
The first impression glue-line, be arranged at the side of described filter layer away from described first surface, and described the first impression glue-line offers the first groove;
The first conductive layer, be embedded at described the first impression glue-line, comprise a plurality of the first spaced conductive patterns, described the first conductive pattern comprises the first conductive grid, described the first conductive grid is intersected to form by the first conductive thread, the first conductive thread intersects to form grid node, and described the first conductive thread is contained in described the first groove;
The second conductive layer, be arranged at described second surface, comprise a plurality of the second spaced conductive patterns, described the second conductive pattern comprises the second conductive grid, described the second conductive grid is intersected to form by the second conductive thread, and the second conductive thread intersects to form grid node;
Wherein, the live width of described the first conductive thread and the second conductive thread is 0.2 μ m～5 μ m.
In embodiment, in the first conductive layer, the distance of adjacent two described grid nodes is 50 μ m～800 μ m therein, and in the second conductive layer, the distance of adjacent two described grid nodes is 50～800 μ m.
In embodiment, in described the first conductive grid and the second conductive grid, at least one is random grid therein.
In embodiment, in described the first conductive layer, the interval width of adjacent two the first conductive patterns is 0.5 μ m～50 μ m therein, and in described the second conductive layer, the interval width of adjacent two the second conductive patterns is 0.5 μ m～50 μ m.
In embodiment, in described the first conductive thread and the second conductive thread, at least one projection at described filter layer all falls within on described gridline therein.
In embodiment, the thickness of described filter unit is not less than the thickness of described light shielding part therein.
Therein in embodiment, described light shielding part is the lattice-shaped structure that the photoresist with black dyes forms at described the first impression glue-line.
In embodiment, each described first conductive grid and the projection of described the second conductive grid on described filter layer accommodate at least one filter unit therein.
In embodiment, the filter unit number that the projection of described the first conductive grid of each of described the first conductive layer on described filter layer held is not identical with the filter unit number that each described the second conductive grid projection on described filter layer of described the second conductive layer is held therein.
A kind of touch display screen, comprise the TFT electrode, Liquid Crystal Module, optical filter box and the polaroid that stack gradually, and described optical filter box is above-described optical filter box.
Above-mentioned optical filter box and use the touch display screen of this optical filter box, optical filter box can be realized touch control operation and filtering functions simultaneously, combination as indispensable two assemblies in display screen, during for display screen, can directly make display screen there is touch controllable function, without assemble again a touch-screen on display screen, not only be conducive to reduce the thickness of electronic product, also greatly saved material and assembly cost simultaneously.
The accompanying drawing explanation
The structural representation of the touch display screen that Fig. 1 is an embodiment;
The structural representation of the optical filter box that Fig. 2 is an embodiment;
The structural representation of the optical filter box that Fig. 3 is another embodiment;
The structural representation of the optical filter box that Fig. 4 is another embodiment;
Fig. 5 is again the structural representation of the optical filter box of an embodiment;
The structural representation at another visual angle that Fig. 6 is the optical filter box shown in Fig. 5;
The interval schematic diagram of a plurality of conductive patterns that Fig. 7 is the conductive layer that in optical filter box, conductive thread all falls within gridline in the projection of filter layer;
The interval schematic diagram of a plurality of conductive patterns that Fig. 8 is the conductive layer that in optical filter box, conductive thread does not fall within gridline in the projection of filter layer;
The conductive thread that Fig. 9 is conductive layer shown in Fig. 7 projects to the structural representation of an embodiment of filter layer;
The conductive thread that Figure 10 is conductive layer shown in Fig. 8 projects to the structural representation of an embodiment of filter layer;
The conductive thread that Figure 11 is conductive layer shown in Fig. 7 projects to the structural representation of another embodiment of filter layer;
The conductive thread that Figure 12 is conductive layer shown in Fig. 7 projects to the structural representation of the another embodiment of filter layer;
The conductive thread that Figure 13 is conductive layer shown in Fig. 7 projects to the structural representation of an embodiment again of filter layer;
The conductive thread that Figure 14 is conductive layer shown in Fig. 8 projects to the structural representation of the another embodiment of filter layer;
The conductive thread that Figure 15 is conductive layer shown in Fig. 8 projects to the structural representation of the another embodiment of filter layer;
The conductive thread that Figure 16 is conductive layer shown in Fig. 8 projects to the structural representation of an embodiment again of filter layer.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.A lot of details have been set forth in the following description so that fully understand the utility model.But the utility model can be implemented much to be different from alternate manner described here, those skilled in the art can be in the situation that do similar improvement without prejudice to the utility model intension, so the utility model is not subject to the restriction of following public concrete enforcement.
It should be noted that, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.
Unless otherwise defined, all technology that this paper is used are identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term used in instructions of the present utility model herein, just in order to describe the purpose of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Referring to Fig. 1, is the touch display screen 100 of an embodiment, comprises the lower polaroid 10, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50, optical filter box 200 and the upper polaroid 60 that stack gradually.In other embodiment, without being set, diaphragm 50 also can.
TFT electrode 20 comprises glass-base 24 and is arranged on the show electrode 22 on glass-base 24.Liquid Crystal Module comprises liquid crystal 32 and is held on the alignment film 34 of liquid crystal 32 both sides.
Be appreciated that when using backlight as polarized light source, as the OLED polarized light source, without lower polaroid 10, only need upper polaroid 60 to get final product.Structure and the function of the lower polaroid 10 of the present embodiment, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50, upper polaroid 60 can be identical with existing product, do not repeat them here.
But but optical filter box 200 has touch control operation and filtering functions, makes touch display screen 100 have touch display function simultaneously.Touch display screen can be the LCDs of straight-down negative or side entering type light source.
Refer to Fig. 2 to Fig. 5, expression be 200 4 different embodiment of optical filter box.Optical filter box 200 in above-mentioned four embodiment includes substrate 210, filter layer 220, the first impression glue-line 230, the first conductive layer 240 and the second conductive layer 260.Wherein substrate 210 comprises first surface 212 and second surface 214, and first surface 212 and second surface 214 are oppositely arranged.The material that substrate 210 is transparent insulation, as glass, can be sillico aluminate glass and calcium soda-lime glass particularly, through the plasma treatment rear surface, has good cohesive force.General, the thickness range of substrate 210 can be 0.1mm～0.5mm.
The first impression glue-line 230 is arranged at the side of filter layer 220 away from first surface 212, and the first impression glue-line 230 offers the first groove 232 away from a side of first surface 212.The groove that the first groove 232 is mesh shape, mesh shape can be preset to required figure as required.The first conductive layer 240 is embedded at the first impression glue-line 230, comprises a plurality of the first conductive patterns 242, and 242 of a plurality of the first conductive patterns are provided with interval, so that a plurality of the first conductive pattern 242 mutually insulateds.The first conductive pattern 242 comprises the first conductive grid, and the first conductive grid is intersected to form by the first conductive thread 2422, and the first conductive thread 2422 intersects to form grid node, and described the first conductive thread 2422 is contained in described the first groove 232.The conductive material of the first conductive thread 2422 in being filled in the first groove 232 solidify to form.Conductive material comprises at least one in metal, carbon nano-tube, Graphene, organic conductive macromolecule and ITO.In other embodiment, the first impression glue-line 230 can also be offered the first groove 232 in the side near first surface 212.
The second conductive layer 260 is arranged at second surface 214, comprises a plurality of the second conductive patterns 262.262 of a plurality of the second conductive patterns are provided with interval, so that a plurality of the second conductive pattern 262 mutually insulateds.The second conductive pattern 262 comprises the second conductive grid, and the second conductive grid is intersected to form by the second conductive thread 2622, and the second conductive thread 2622 of the second conductive pattern 262 is identical with the material of the first conductive thread 2422 of the first conductive pattern 242.The second conductive thread 2622 intersects to form grid node.The second conductive thread 2622 directly is formed at substrate second surface 214 by the mode of metal coating or electrocondution slurry coating.In other embodiment, the material of the first conductive thread 2422 of the first conductive layer 240 also can be different from the material of the second conductive thread 2622 of the second conductive layer 260.
Wherein, the live width of the first conductive thread 2422 and the second conductive thread 2622 is 0.2 μ m～5 μ m, so that the first conductive layer 240 and the second conductive layer 260 reach visually-clear, naked eyes are invisible.As shown in Figure 2, expression be that the first conductive grid and the second conductive grid are random grid, with the manufacture difficulty that reduces conductive thread and avoid producing Moire fringe.As shown in Figure 3, expression be that the first conductive thread 2422 of the first conductive layer 240 all falls within on gridline in the projection of filter layer 220, the second conductive grid of the second conductive layer 260 is random grid.In other embodiment, the first conductive grid that can also the first conductive layer 240 is random grid, and the second conductive thread 2622 of the second conductive layer 260 all falls within on gridline in the projection of filter layer 220, is conducive to the optimization of cost of manufacture.As shown in Figure 4 and Figure 5, expression be that the first conductive thread 2422 and the second conductive thread 2622 all fall within on gridline in the projection of filter layer 220, be exposed to the risk of gridline side direction to reduce the first conductive thread 2422 and the second conductive thread 2622.
Above-mentioned optical filter box 200, the first conductive layers 240 and the spaced formation capacitive sensing of the second conductive layer 260 structure, make optical filter box 200 can realize touch control operation and filtering functions simultaneously, and, without the design of putting up a bridge, reduced task difficulty.When above-mentioned optical filter box 200 is applied to display screen, can directly make display screen there is touch controllable function, without assemble again a touch-screen on display screen, not only be conducive to reduce the thickness of electronic product, also greatly save material and assembly cost.The first conductive thread 2322 obtains by impression-filling mode, the selectable expanded range of conductive material, the second conductive thread 2622 directly is formed at substrate second surface 214 by the mode of metal coating or electrocondution slurry coating, utilized substrate 210 to there is adhesive property preferably, thereby saved coating one deck impression glue-line, further reduced the thickness of optical filter box.When the live width of the first conductive thread 2422 and the second conductive thread 2622 is 0.2 μ m～5 μ m, can reach the effect of visually-clear.Thereby, no matter the first conductive thread 2422 and the second conductive thread 2622 fall within or do not fall within on gridline in the projection of filter layer 220, can reach visually-clear.
In one embodiment, the distance range of adjacent two grid nodes of the first conductive layer 240 can be 50 μ m～800 μ m.The distance range of adjacent two grid nodes of the second conductive layer 260 can be 50 μ m～800 μ m.When the distance of grid node, when larger, the density of conductive grid is less, and now light permeable rate wants large, and cost also can be low, but resistance can be larger.When the distance of grid node more hour, the density of conductive grid is larger, resistance is less, but transmitance reduces, the consumption of conductive material is also larger simultaneously, so that cost is higher.Therefore considering cost, transmittance and resistance factors, be traditionally arranged to be 50 μ m～800 μ m by the grid node spacing.
Refer to Fig. 5 and Fig. 6, in the present embodiment, filter unit 224 comprises chromatic photoresist, is formed with chromatic photoresist in grid cell, and chromatic photoresist forms filter unit.Can one the corresponding grid cell of chromatic photoresist, also can the corresponding a plurality of grid cells of a chromatic photoresist.Chromatic photoresist is the photoresist formation with coloured dye, can adopt exposure-developing manufacture process.Chromatic photoresist is generally red (red, R) photoresistance, green (green, G) photoresistance or indigo plant (blue, B) photoresistance, for making incident light, is transformed into monochromatic light, realizes filtering functions.Light shielding part 222 is formed at the first impression glue-line 230 for the photoresist with black dyes, and light shielding part 222 is lattice-shaped, has opaqueness, can adopt exposure-developing manufacture process.In lattice-shaped, grid cell is square, makes the photoresistance of filter unit 224 arrange compacter and even.Light shielding part 222 can effectively be avoided chromatic photoresist colour contamination each other, and can increase the contrast of R, G, B light.
In the present embodiment, the material of the first impression glue-line 230 is solvent-free ultra-violet curing acrylic resin, and thickness is 2～10 μ m.The first impression glue-line 230 is transparence, does not affect whole transmitance.In other embodiments, the material of the first impression glue-line 230 can also be On Visible Light Cured Resin or heat reactive resin.
The above-mentioned optical filter box with touch controllable function, manufacturing process is as follows particularly:
(1) at first first surface 212 and the second surface 214 at substrate 210 carry out plasma (Plasma) processing.Dirty with the first surface 212 of removing substrate 210 and second surface 214, and make first surface 212 and second surface 214 ionizations, increase follow-up and cohesive force other material.
(2) at 214 whole metal claddings of second surface of substrate 210 or be coated with the layer of metal conductive ink, to form the second conductive layer 260.In the present embodiment, the metal adopted in the metallic conduction ink is argent.In other embodiment, can also adopt as at least one in the metals such as gold, copper, aluminium, zinc, tin, molybdenum.
(3) at surface-coated one deck photoresist of the second conductive layer 260, through overexposure-developing technique, only retain the photoresist that is covered in the second conductive pattern 262 parts, the photoresist of other parts is removed.
(4) utilize metal etch liquid to carry out etching to the second conductive layer 260, obtain the second conductive thread of the second conductive pattern portions of required pattern, by the second conductive thread, intersect to form the second conductive grid.
(5) whole of the first surface 212 at substrate 210 arranges the photoresist of one deck with black dyes.
(6) adopt exposure-developing technique, the photoresist in filter unit zone is removed, form the light shielding part 222 of lattice-shaped.Light shielding part 222 comprises cross one another gridline, and the space of being cut apart by gridline forms some grid cells.
(7) in the grid cell gradation, the R/G/B chromatic photoresist is set, forms filter unit 224.
(8) the side coating impression glue away from first surface 212 at filter layer 220, form the first impression glue-line 230.The present embodiment adopts solvent-free ultra-violet curing acrylic resin.And use the impression block nested with the first conductive pattern 242 impressed and solidify on the first impression glue-line 230 surfaces, obtain the first grooves 232 required and the first conductive pattern 242 couplings.
(9) to the first filled conductive material of interior while of groove 232 with the first conductive pattern 242 couplings curing, obtain the first conductive layer 240.Conductive material comprises at least one in metal, carbon nano-tube, Graphene, organic conductive macromolecule and ITO, forms the conductive grid consisted of the conductive thread intersection.Be preferably metal, as nanometer silver paste.When selecting metal, the energy consumption that can reduce resistance and reduce touch display screen.The live width scope of the first conductive thread 2422 and the second conductive thread 2622 is 0.2 μ m～5 μ m.
If special instruction is not the first conductive thread or the second conductive thread, conductive thread herein can refer to the first conductive thread and/or the second conductive thread.Conductive grid can refer to the first conductive grid and/or the second conductive grid.Conductive pattern can refer to the first conductive pattern and/or the second conductive pattern.
As shown in Figure 2 and Figure 8, when conductive thread when the projection of filter layer 220 does not fall within on gridline, in described the first conductive layer 240, the interval width of adjacent two the first conductive patterns 242 is 0.5 μ m～50 μ m, and in described the second conductive layer 260, the interval width of adjacent two the second conductive patterns 262 is 0.5 μ m～50 μ m.Now can be by conductive thread marginal portion disappearance be cut off.
As shown in Fig. 5 and Fig. 7, when the first conductive thread 2422 and the second conductive thread 2622 when the projection of filter layer 220 all falls within on gridline, in the first conductive layer 240, the interval width of adjacent two the first conductive patterns 242 can be the width of a filter unit, and in the second conductive layer 260, the interval width of adjacent two the second conductive patterns 262 can be the width of a filter unit.Now can, by full line or permutation conductive thread disappearance, be cut off.Certainly, when conductive thread, when the projection of filter layer all falls within on gridline, the interval width of adjacent two conductive patterns can be also 0.5 μ m～50 μ m, can be by conductive thread marginal portion disappearance is cut off.
As shown in Fig. 3, Fig. 7 and Fig. 8, when the first conductive thread of the first conductive layer 240 does not drop on gridline in the projection of filter layer 220, when the second conductive thread 2622 of the second conductive layer 260 all falls within on gridline in the projection of filter layer 220, in the first conductive layer 240, the interval width scope of adjacent two the first conductive patterns 242 can be 0.5 μ m～50 μ m, and the interval width scope of adjacent two second conductive patterns 262 of the second conductive layer 260 can be the width of a filter unit.Certainly, in other embodiment, the first conductive thread 2422 that can also the first conductive layer 240 all falls within on gridline in the projection of filter layer 220, the second conductive thread of the second conductive layer 260 does not fall within on gridline in the projection of filter layer 220, the width that now interval width of adjacent two first conductive patterns 242 of the first conductive layer 240 is a filter unit, in the second conductive layer 260, the interval width of adjacent two the second conductive patterns 262 is 0.5 μ m～50 μ m.
In the present embodiment, the thickness of filter unit 224 is not less than the thickness of light shielding part 222.Refer to Fig. 5 and Fig. 6, expression be the thickness that the thickness of filter unit is greater than gridline.When the thickness of filter unit 224 is greater than the thickness of light shielding part 222, the light appeared from filter unit 224, not only can see from front, also can see from the side, thereby can increase the light emission rate of filter unit 224.Certainly, as shown in Figure 4, the thickness of filter unit 224 also can equal the thickness of gridline.
Refer to Fig. 6, in the present embodiment, the first conductive thread 2422 and the second conductive thread 2622 are straight line, curve or broken line.When the first conductive thread 2422 and the second conductive thread 2622 can be for difformities, reduced production requirement.
As shown in Figure 9 and Figure 10, Figure 10 means be when conductive thread when the projection of filter layer 220 does not fall within on gridline, the projection of each described conductive grid on described filter layer 220 of the first conductive layer 240 and/or the second conductive layer 260 accommodates the filter unit of.Fig. 9 means be when conductive thread when the projection of filter layer 220 all falls within on gridline, the projection of each described conductive grid on described filter layer 220 of the first conductive layer 240 and/or described the second conductive layer 260 accommodates the filter unit of.Because each grid cell is to there being a conductive grid, so the density of conductive grid is larger, electric conductivity is better.
As shown in Figure 11 to Figure 13, mean be when the first conductive thread 2422 and the second conductive thread 2622 when the projection of filter layer 220 all falls within on gridline, the projection of each described conductive grid on described filter layer 220 of the first conductive layer 240 and/or described the second conductive layer 260 accommodates the filter unit of at least two, can require and the requirement of the coating weight of conductive material decides the filter unit quantity of holding according to the resistance to conductive layer.Now can be divided into three kinds of situations, take is laterally X-axis, and the direction of vertical transverse is Y-axis.As shown in figure 11, only, on X-direction, at least two filter units are held in the first conductive grid and the projection of the second conductive grid on filter layer 220.As shown in figure 12, only, on Y direction, at least two filter units are held in the first conductive grid and the projection of the second conductive grid on filter layer 220.As shown in figure 13, on X-axis and Y direction, at least two filter units are held in the first conductive grid and the projection of the second conductive grid on filter layer 220 simultaneously.
As shown in Figure 14 to Figure 16, mean be when conductive thread when the projection of filter layer 220 does not fall within on gridline, the projection of each described conductive grid on described filter layer 220 of the first conductive layer 240 and/or described the second conductive layer 260 accommodates the filter unit of at least two.Now also can be divided into three kinds of situations, take is laterally X-axis, and the direction of vertical transverse is Y-axis.As shown in figure 14, only, on X-direction, at least two integers filter unit is held in the first conductive grid and the projection of the second conductive grid on filter layer 220.As shown in figure 15, only, on Y direction, at least two integers filter unit is held in the first conductive grid and the projection of the second conductive grid on filter layer 220.As shown in figure 16, on X-axis and Y direction, at least two integers filter unit is held in the first conductive grid and the projection of the second conductive grid on filter layer 220 simultaneously.
In the present embodiment, the filter unit number that the filter unit number that each the first conductive grid projection on filter layer 220 of the first conductive layer 240 is held holds with each the second conductive grid projection on filter layer of the second conductive layer 260 can be not identical.Can effectively reduce manufacture difficulty.Certainly, in other embodiment, the filter unit number that the filter unit number that each the first conductive grid projection on filter layer 220 of the first conductive layer 240 is held holds with each the second conductive grid projection on filter layer of the second conductive layer 260 can also be identical.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. an optical filter box, is characterized in that, comprising:
Substrate, comprise first surface and second surface, and described first surface and second surface are oppositely arranged;
Filter layer, be arranged at described first surface, comprise light shielding part and a plurality of filter unit, described light shielding part is lattice-shaped, comprise cross one another gridline, the space of being cut apart by described gridline forms some grid cells, and filter unit is contained in grid cell, and described a plurality of filter units form filter unit;
The first impression glue-line, be arranged at the side of described filter layer away from described first surface, and described the first impression glue-line offers the first groove;
The first conductive layer, be embedded at described the first impression glue-line, comprise a plurality of the first spaced conductive patterns, described the first conductive pattern comprises the first conductive grid, described the first conductive grid is intersected to form by the first conductive thread, the first conductive thread intersects to form grid node, and described the first conductive thread is contained in described the first groove;
The second conductive layer, be arranged at described second surface, comprise a plurality of the second spaced conductive patterns, described the second conductive pattern comprises the second conductive grid, described the second conductive grid is intersected to form by the second conductive thread, and the second conductive thread intersects to form grid node;
Wherein, the live width of described the first conductive thread and the second conductive thread is 0.2 μ m～5 μ m.
2. optical filter box according to claim 1, is characterized in that, in the first conductive layer, the distance of adjacent two described grid nodes is 50 μ m～800 μ m, and in the second conductive layer, the distance of adjacent two described grid nodes is 50 μ m～800 μ m.
3. optical filter box according to claim 1, is characterized in that, in described the first conductive grid and the second conductive grid, at least one is random grid.
4. optical filter box according to claim 1, it is characterized in that, in described the first conductive layer, the interval width of adjacent two the first conductive patterns is 0.5 μ m～50 μ m, and in described the second conductive layer, the interval width of adjacent two the second conductive patterns is 0.5 μ m～50 μ m.
5. optical filter box according to claim 1, is characterized in that, in described the first conductive thread and the second conductive thread, at least one projection at described filter layer all falls within on described gridline.
6. optical filter box according to claim 1, is characterized in that, the thickness of described filter unit is not less than the thickness of described light shielding part.
7. optical filter box according to claim 1, is characterized in that, described light shielding part is the lattice-shaped structure formed at described the first impression glue-line with the photoresist of black dyes.
8. optical filter box according to claim 1, is characterized in that, each described first conductive grid and the projection of described the second conductive grid on described filter layer accommodate at least one filter unit.
9. optical filter box according to claim 1, it is characterized in that, the filter unit number that the projection of described the first conductive grid of each of described the first conductive layer on described filter layer held is not identical with the filter unit number that each described the second conductive grid projection on described filter layer of described the second conductive layer is held.
10. a touch display screen, is characterized in that, comprises the TFT electrode, Liquid Crystal Module, optical filter box and the polaroid that stack gradually, and described optical filter box is optical filter box as in one of claimed in any of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204011294U CN203338317U (en) | 2013-07-05 | 2013-07-05 | Optical filter assembly and touch displaying screen with optical filter assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204011294U CN203338317U (en) | 2013-07-05 | 2013-07-05 | Optical filter assembly and touch displaying screen with optical filter assembly |
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| CN203338317U true CN203338317U (en) | 2013-12-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345328A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display screen using optical filter box |
| CN114488645A (en) * | 2022-02-14 | 2022-05-13 | 成都捷翼电子科技有限公司 | Multifunctional upper layer structure based on electrophoretic display and manufacturing method |
-
2013
- 2013-07-05 CN CN2013204011294U patent/CN203338317U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345328A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display screen using optical filter box |
| CN103345328B (en) * | 2013-07-05 | 2016-12-28 | 南昌欧菲光显示技术有限公司 | Optical filter box and use the touch display screen of this optical filter box |
| CN114488645A (en) * | 2022-02-14 | 2022-05-13 | 成都捷翼电子科技有限公司 | Multifunctional upper layer structure based on electrophoretic display and manufacturing method |
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Effective date of registration: 20170703 Address after: 330000 Jiangxi city of Nanchang Province Economic and Technological Development Zone HUANGJIAHU Road Patentee after: Nanchang OFilm Tech. Co.,Ltd. Address before: North to the East, 330013 in Jiangxi province Nanchang city Nanchang economic and technological development zones clove road Longtan ditch Co-patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: Nanchang Ofilm Display Tech Co.,Ltd. Co-patentee before: Suzhou OFilm Tech. Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20180705 |